Smyrna, GA 30375 Frost Dates
When can you plant in Smyrna, GA?
The last spring frost here typically falls around 03/24, about 208 days from today. The first fall frost typically arrives around 11/08, about 231 frost-free days later.
Zone 8a (10 to 15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Smyrna, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Smyrna before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/02 and you're betting against frost in roughly 9 years out of 10. 04/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Smyrna compares
Smyrna's growing season runs about 231 days, ranking 10,109 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 516 of 921.
Learn more
zone vs. frost date covers why Zone 8a and Smyrna's frost date answer different questions. the frost range covers how to read the range around Smyrna's dates instead of trusting one.